diff --git a/telethon/client/downloads.py b/telethon/client/downloads.py
index 143c9b41..35458d5b 100644
--- a/telethon/client/downloads.py
+++ b/telethon/client/downloads.py
@@ -4,6 +4,7 @@ import os
 import pathlib
 import typing
 import inspect
+import asyncio
 
 from ..crypto import AES